Abstract
ObjectiveTo determine the efficacy of OLIF in the treatment of reoccurring discogenic low back pain (LBP) after discoblockMethodsWe included 108 patients with LBP that was suspected to be discogenic (such as high intensity zone, Schmorl’s nodes, Modic changes Type I, etc.), from August 2015 to August 2017. All patients underwent discography, and patients whose LBP was confirmed to be discogenic received discoblock. Patients who had reoccurring pain after discoblock underwent OLIF. Perioperative parameters and complications were recorded. The VAS and Oswestry Disability Index (ODI) were assessed at preoperation, and 1 week and 1, 3, 6, and 12 months after the surgery. The fusion rate was evaluated.ResultsOf 108 patients, 89 were confirmed to have discogenic LBP, and 32/89 patients with reoccurring LBP pain after discoblock underwent OLIF. Twenty-eight patients were followed up for ≥ 1 year. The OLIF operation lasted for 92 ± 34 min. Blood loss during the operation was 48 ± 15 ml. The mean incision length was 3.0 ± 0.6 cm. The average length of stay was 4.8 ± 1.9 days. The VAS and ODI scores decreased from 8.1 ± 1.7 preoperatively to 0.9 ± 0.4, and from 71.2 ± 11.3 to 9.3 ± 3.1, 12 months postoperatively, respectively. The total incidence of complications was 15.6%, including 2 cases of cage subsidence, 2 cases of ipsilateral hip flexor weakness, and 1 case of ipsilateral anterior thigh pain. All symptoms relieved or disappeared during follow-up. The fusion rate was 96.9%.ConclusionsReoccurring discogenic LBP after discoblock should be considered as a suitable group for treatment by OLIF.
Highlights
Intervertebral discogenic pain is the most common low back pain (LBP) and requires extensive medical attention
Reoccurring discogenic LBP after discoblock should be considered as a suitable group for treatment by oblique lumbar interbody fusion (OLIF)
Degenerative discs are responsible for lumbar discogenic pain, which is defined as a disorder of the nucleus pulposus, rupturing of
Summary
Intervertebral discogenic pain is the most common low back pain (LBP) and requires extensive medical attention. Discogenic LBP often persists and can severely affect the patient’s quality of life [1]. Over the past few years, a variety of minimally invasive techniques have been developed to treat discogenic LBP [3,4,5,6,7,8], and discoblock is considered to be useful in relieving discogenic LBP [3]. This is ineffective in some patients, or pain recurs after discoblock.
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